[U-Boot] [PATCH 02/25] SPEAr: Eliminate dependency on Xloader table
Amit Virdi
amit.virdi at st.com
Wed Mar 7 13:03:51 CET 2012
Xloader table was used primarily to inform u-boot about the DDR size. However,
now the ddr size is calculated at runtime which eliminates any need for the
Xloader table. So removing this unnecessary code.
Signed-off-by: Amit Virdi <amit.virdi at st.com>
---
arch/arm/include/asm/arch-spear/spr_defs.h | 7 --
.../arm/include/asm/arch-spear/spr_xloader_table.h | 67 --------------------
board/spear/common/spr_misc.c | 41 ------------
3 files changed, 0 insertions(+), 115 deletions(-)
delete mode 100644 arch/arm/include/asm/arch-spear/spr_xloader_table.h
diff --git a/arch/arm/include/asm/arch-spear/spr_defs.h b/arch/arm/include/asm/arch-spear/spr_defs.h
index fa8412c..0ddce62 100644
--- a/arch/arm/include/asm/arch-spear/spr_defs.h
+++ b/arch/arm/include/asm/arch-spear/spr_defs.h
@@ -28,13 +28,6 @@ extern int spear_board_init(ulong);
extern void setfreq(unsigned int, unsigned int);
extern unsigned int setfreq_sz;
-struct chip_data {
- int cpufreq;
- int dramfreq;
- int dramtype;
- uchar version[32];
-};
-
/* HW mac id in i2c memory definitions */
#define MAGIC_OFF 0x0
#define MAGIC_LEN 0x2
diff --git a/arch/arm/include/asm/arch-spear/spr_xloader_table.h b/arch/arm/include/asm/arch-spear/spr_xloader_table.h
deleted file mode 100644
index 7e3da18..0000000
--- a/arch/arm/include/asm/arch-spear/spr_xloader_table.h
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * (C) Copyright 2009
- * Vipin Kumar, ST Micoelectronics, vipin.kumar at st.com.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#ifndef _SPR_XLOADER_TABLE_H
-#define _SPR_XLOADER_TABLE_H
-
-#define XLOADER_TABLE_VERSION_1_1 2
-#define XLOADER_TABLE_VERSION_1_2 3
-
-#define XLOADER_TABLE_ADDRESS 0xD2801FF0
-
-#define DDRMOBILE 1
-#define DDR2 2
-
-#define REV_BA 1
-#define REV_AA 2
-#define REV_AB 3
-
-struct xloader_table_1_1 {
- unsigned short ddrfreq;
- unsigned char ddrsize;
- unsigned char ddrtype;
-
- unsigned char soc_rev;
-} __attribute__ ((packed));
-
-struct xloader_table_1_2 {
- unsigned const char *version;
-
- unsigned short ddrfreq;
- unsigned char ddrsize;
- unsigned char ddrtype;
-
- unsigned char soc_rev;
-} __attribute__ ((packed));
-
-union table_contents {
- struct xloader_table_1_1 table_1_1;
- struct xloader_table_1_2 table_1_2;
-};
-
-struct xloader_table {
- unsigned char table_version;
- union table_contents table;
-} __attribute__ ((packed));
-
-#endif
diff --git a/board/spear/common/spr_misc.c b/board/spear/common/spr_misc.c
index 3ab278f..be96c15 100644
--- a/board/spear/common/spr_misc.c
+++ b/board/spear/common/spr_misc.c
@@ -28,7 +28,6 @@
#include <asm/io.h>
#include <asm/arch/hardware.h>
#include <asm/arch/spr_emi.h>
-#include <asm/arch/spr_xloader_table.h>
#include <asm/arch/spr_defs.h>
#define CPU 0
@@ -36,7 +35,6 @@
#define SRAM_REL 0xD2801000
DECLARE_GLOBAL_DATA_PTR;
-static struct chip_data chip_data;
int dram_init(void)
{
@@ -127,25 +125,11 @@ void spear_emi_init(void)
int spear_board_init(ulong mach_type)
{
- struct xloader_table *xloader_tb =
- (struct xloader_table *)XLOADER_TABLE_ADDRESS;
- struct xloader_table_1_2 *table_1_2;
- struct chip_data *chip = &chip_data;
-
gd->bd->bi_arch_number = mach_type;
/* adress of boot parameters */
gd->bd->bi_boot_params = CONFIG_BOOT_PARAMS_ADDR;
- /* CPU is initialized to work at 333MHz in Xloader */
- chip->cpufreq = 333;
-
- if (XLOADER_TABLE_VERSION_1_2 == xloader_tb->table_version) {
- table_1_2 = &xloader_tb->table.table_1_2;
- memcpy(chip->version, table_1_2->version,
- sizeof(chip->version));
- }
-
#ifdef CONFIG_SPEAR_EMI
spear_emi_init();
#endif
@@ -195,7 +179,6 @@ static int write_mac(uchar *mac)
int do_chip_config(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
void (*sram_setfreq) (unsigned int, unsigned int);
- struct chip_data *chip = &chip_data;
unsigned char mac[6];
unsigned int reg, frequency;
char *s, *e;
@@ -218,13 +201,9 @@ int do_chip_config(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
if (!strcmp(argv[1], "cpufreq")) {
sram_setfreq(CPU, frequency);
printf("CPU frequency changed to %u\n", frequency);
-
- chip->cpufreq = frequency;
} else {
sram_setfreq(DDR, frequency);
printf("DDR frequency changed to %u\n", frequency);
-
- chip->dramfreq = frequency;
}
return 0;
@@ -240,24 +219,6 @@ int do_chip_config(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
return 0;
} else if (!strcmp(argv[1], "print")) {
-
- if (chip->cpufreq == -1)
- printf("CPU Freq = Not Known\n");
- else
- printf("CPU Freq = %d MHz\n", chip->cpufreq);
-
- if (chip->dramfreq == -1)
- printf("DDR Freq = Not Known\n");
- else
- printf("DDR Freq = %d MHz\n", chip->dramfreq);
-
- if (chip->dramtype == DDRMOBILE)
- printf("DDR Type = MOBILE\n");
- else if (chip->dramtype == DDR2)
- printf("DDR Type = DDR2\n");
- else
- printf("DDR Type = Not Known\n");
-
if (!i2c_read_mac(mac)) {
sprintf(i2c_mac, "%pM", mac);
printf("Ethaddr (from i2c mem) = %s\n", i2c_mac);
@@ -265,8 +226,6 @@ int do_chip_config(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
printf("Ethaddr (from i2c mem) = Not set\n");
}
- printf("Xloader Rev = %s\n", chip->version);
-
return 0;
}
--
1.7.2.2
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